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144310-18-9

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144310-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144310-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,1 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 144310-18:
(8*1)+(7*4)+(6*4)+(5*3)+(4*1)+(3*0)+(2*1)+(1*8)=89
89 % 10 = 9
So 144310-18-9 is a valid CAS Registry Number.

144310-18-9Downstream Products

144310-18-9Relevant articles and documents

DIAZO GROUP TRANSFER AND/OR TRIAZOLE FORMATION IN THE REACTION OF TOLUENE-4-SULPHONYL OR 4-NITROPHENYL AZIDE WITH α-METHYLENE β-DICARBONYL COMPOUNDS IN HEXAMETHYLPHOSPHORIC TRIAMIDE

Benati, Luisa,Montevecchi, P. Carlo,Spagnolo, Piero

, p. 249 - 251 (2007/10/02)

In hexamethylphosphoric triamide, toluene-4-sulphonyl azide generally performs smooth diazo group transfer to β-dicarbonyl compounds, whereas 4-nitrophenyl azide can exhibit diazo transfer reaction with malonates and cyclic β-diones but leads to triazole formation with acyclic β-diones and β-keto esters.

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